SHAUN Barker (above) would have gone in goal had keeper Rhys Evans picked up an injury at Northampton.
Pool went into the game without a keeper on the bench, despite the fact that number two Lewis Edge travelled.
And Grayson came up with an unusual reason for his decision.
He said: "We trained at Leicester on the way down before the game and Shaun Barker was messing about in goal and that made my mind up.
"It was a difficult decision and I've never done it before.
"It boiled down to who I was going to leave out between Claus Jorgensen and Simon Gillett. Claus is here for the long term, Simon returns to Southampton after his loan spell.
"I felt both deserved to be on the bench and that's why I went with five outfield players and no goalkeeper."